Employment Law Group of the District appointed John Thomas Harrington Jr. a principal of the litigation boutique.

Proskauer of the District appointed Christopher E. Ondeck partner in the litigation department and vice chair of its antitrust group.

Send information about promotions, appointments and personnel moves in the Washington area to Appointments, Business News, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071-5302, or to appointments@washpost.com.